
What we learned: Wawrinka a slam giant
Wawrinka survives Tsitsipas in five-hour thriller to set Federer clash.
Stan Wawrinka squeezed past Stefanos Tsitsipas in a five-hour five-set epic.
Wawrinka survives Tsitsipas in five-hour thriller to set Federer clash.
Martic, Sakkari, Svitolina and Mertens find success with coaches under 30.
Roger Federer punched his ticket to the quarter-finals with a win over Leonardo Mayer.